Vulnerability in QNAP File Station
CVE-2025-22486
An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following versions: File Station 5 5.5.6.4791 and later and later
Vulnerability class: Improper Certificate Validation
EPSS: 0.002 (13.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Qnap File_station
- Qnap Systems Inc. File Station 5 — versions 5.5.x
Weakness classification (CWE)
References
- security@qnapsecurity.com.tw (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-22486?
- CVE-2025-22486 is a high-severity vulnerability in QNAP File Station, classified under Improper Certificate Validation. CVSS score: 8.8/10. Published 2025-06-06.
- How severe is CVE-2025-22486?
- High severity. CVSS v3 base score is 8.8 out of 10.